cbcvebase.
CVE-2025-40042
published 2025-10-28

CVE-2025-40042: In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There…

PriorityP422high7.8
EPSS
0.21%
11.5th percentile
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There is a critical race condition in kprobe initialization that can lead to NULL pointer dereference and kernel crash. [1135630.084782] Unable to handle kernel paging request at virtual address 0000710a04630000 ... [1135630.260314] pstate: 404003c9 (nZcv DAIF +PAN -UAO) [1135630.269239] pc : kprobe_perf_func+0x30/0x260 [1135630.277643] lr : kprobe_dispatcher+0x44/0x60 [1135630.286041] sp : ffffaeff4977fa40 [1135630.293441] x29: ffffaeff4977fa40 x28: ffffaf015340e400 [1135630.302837] x27: 0000000000000000 x26: 0000000000000000 [1135630.312257] x25: ffffaf029ed108a8 x24: ffffaf015340e528 [1135630.321705] x23: ffffaeff4977fc50 x22: ffffaeff4977fc50 [1135630.331154] x21: 0000000000000000 x20: ffffaeff4977fc50 [1135630.340586] x19: ffffaf015340e400 x18: 0000000000000000 [1135630.349985] x17: 0000000000000000 x16: 0000000000000000 [1135630.359285] x15: 0000000000000000 x14: 0000000000000000 [1135630.368445] x13: 0000000000000000 x12: 0000000000000000 [1135630.377473] x11: 0000000000000000 x10: 0000000000000000 [1135630.386411] x9 : 0000000000000000 x8 : 0000000000000000 [1135630.395252] x7 : 0000000000000000 x6 : 0000000000000000 [1135630.403963] x5 : 0000000000000000 x4 : 0000000000000000 [1135630.412545] x3 : 0000710a04630000 x2 : 0000000000000006 [1135630.421021] x1 : ffffaeff4977fc50 x0 : 0000710a04630000 [1135630.429410] Call trace: [1135630.434828] kprobe_perf_func+0x30/0x260 [1135630.441661] kprobe_dispatcher+0x44/0x60 [1135630.448396] aggr_pre_handler+0x70/0xc8 [1135630.454959] kprobe_breakpoint_handler+0x140/0x1e0 [1135630.462435] brk_handler+0xbc/0xd8 [1135630.468437] do_debug_exception+0x84/0x138 [1135630.475074] el1_dbg+0x18/0x8c [1135630.480582] security_file_permission+0x0/0xd0 [1135630.487426] vfs_write+0x70/0x1c0 [1135630.493059] ksys_write+0x5c/0xc8 [1135630.498638] __arm64_sys_write+0x24/0x30 [11356

Affected

33 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.158-1 (bookworm)linux 6.1.158-1 (bookworm)
debianlinux-6.1< linux 6.1.158-1 (bookworm)linux 6.1.158-1 (bookworm)
linuxlinux
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 07926ce598a95de6fd874a74fb510e2ebdfd0aae07926ce598a95de6fd874a74fb510e2ebdfd0aae
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 9c4951b691bb8d7a004acd010f45144391f85ea69c4951b691bb8d7a004acd010f45144391f85ea6
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 95dd33361061f808d1f68616d69ada639e737cfa95dd33361061f808d1f68616d69ada639e737cfa
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < a6e89ada1ff6b70df73f579071ffa6ade8ae7f98a6e89ada1ff6b70df73f579071ffa6ade8ae7f98
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 1a301228c0a8aedc3154fb1a274456f487416b961a301228c0a8aedc3154fb1a274456f487416b96
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 0fa388ab2c290ef1115ff88ae88e881d0fb2db020fa388ab2c290ef1115ff88ae88e881d0fb2db02
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 5ebea6561649d30ec7a18fea23d7f76738dae9165ebea6561649d30ec7a18fea23d7f76738dae916
linuxlinux>= 50d780560785b068c358675c5f0bf6c83b5c373e < 9cf9aa7b0acfde7545c1a1d912576e9bab28dc6f9cf9aa7b0acfde7545c1a1d912576e9bab28dc6f
linuxlinux_kernel>= 0 < 5.10.247-15.10.247-1
linuxlinux_kernel>= 0 < 6.1.158-16.1.158-1
linuxlinux_kernel>= 0 < 6.12.57-16.12.57-1
linuxlinux_kernel>= 0 < 6.17.6-16.17.6-1
linuxlinux_kernel>= 0 < 5.15.0-170.1805.15.0-170.180
linuxlinux_kernel>= 0 < 6.8.0-106.1066.8.0-106.106
linuxlinux_kernel>= 0 < 6.17.0-14.146.17.0-14.14
linuxlinux_kernel>= 2.6.33 < 5.4.3015.4.301
linuxlinux_kernel>= 5.11.0 < 5.15.1955.15.195
linuxlinux_kernel>= 5.16.0 < 6.1.1576.1.157
linuxlinux_kernel>= 5.5.0 < 5.10.2465.10.246
linuxlinux_kernel>= 6.13.0 < 6.17.36.17.3
linuxlinux_kernel>= 6.2.0 < 6.6.1136.6.113
linuxlinux_kernel>= 6.7.0 < 6.12.546.12.54

CVSS provenance

osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_redhat5.5LOW
vendor_msrc4.7MEDIUM
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